Fluke Biomedical 945A User Manual
Page 21
Table 3-2. Connector P1 - Input/Output
Pin Signal
Internal
Connection
1 Spare
Not
Used
2 Spare
Not
Used
3 Spare
Not
Used
4 Spare
Not
Used
5 Spare
Not
Used
6 Spare
Not
Used
7
Fail Relay, common
Relay Board K3-A
8
Fail Relay, n.o.
Relay Board K3-B
9
Fail Relay, n.c.
Relay Board K3-C
10
Fail Relay, common
Relay Board K3-D
11
Fail Relay, n.o.
Relay Board K3-F
12
Fail Relay, n.c.
Relay Board K3-E
13
Warn Relay, common
Relay Board K4-A
14
Warn Relay, n.o.
Relay Board K4-B
15
Warn Relay, n.c.
Relay Board K4-C
16
Warn Relay, common
Relay Board K4-D
17
Warn Relay, n.o.
Relay Board K4-F
18
Warn Relay, n.c.
Relay Board K4-E
19
Alarm Relay, common
Relay Board K5-A
20
Alarm Relay, n.o.
Relay Board K5-B
21
Alarm Relay, n.c.
Relay Board K5-C
22 Spare
Not
Used
23 Spare
Not
Used
24 Spare
Not
Used
25
+ Remote Acknowledge
Main Circuit Board J9-1
26
- Remote Acknowledge
Main Circuit Board J9-2
27 Spare
Not
Used
28 Spare
Not
Used
29 Spare
Not
Used
30 Spare
Not
Used
31 Spare
Not
Used
32 Spare
Not
Used
33 Spare
Not
Used
34 Spare
Not
Used
35 Spare
Not
Used
36 Spare
Not
Used
37 Spare
Not
Used
n.o. = normally open
n.c. = normally closed
Relay contacts listed are in the shelf or de-energized state. Relays are operated in the fail-safe mode,
de-energizing to indicate a tripped condition.
3-3